Alan, A0 & A1 are an octave apart. :-) Avery At 02:39 PM 3/20/2006, you wrote: >....................."I seem to remember reading somewhere that it >was around 30 hz. Very iffy. > > /Is the point which beat rate is too fast to > be unusable for us aural tuners any higher than 12 bps? Maybe that's > another measurement for an ETD./ > >Definitely (Ric) not. You can use 15 - 20 bps no problem. That is >to say if >you are comparing two intervals in which the reference note yields >roughly 20 bps for both intervals... an aural comparison is easy enough >to accomplish."............. > >This is the reason why AO (or A1) is the first note or lowest note >on the piano. Any frequency (read as beat rate) lower than 27.5 Hz >is no longer perceived as a sound by the "human" brain. In theory we >start to hear the separate beats or pulses. > >AF -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20060320/cf8ce641/attachment.html
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